Finding the Fourth Proportional to 49,491.14, 68,281.72 and 27,978.81

Step by Step Solution

1. Step 1: Write the proportion equation
   49,491.14 : 68,281.72 = 27,978.81 : x
2. Step 2: Convert to fraction form
   49,491.14/68,281.72 = 27,978.81/x
3. Step 3: Cross multiply
   49,491.14x = 68,281.72 × 27,978.81
4. Step 4: Simplify right side
   49,491.14x = 1,910,441,254.43
5. Step 5: Solve for x
   x = 1,910,441,254.43/49,491.14
6. Step 6: Final answer
   x = 38,601.68